Violympic toán 6
Các câu hỏi tương tự
tim so tu nhien nho nhat chi chua thua so nguyen to 2 va 5 biet khi chia no cho 2 thi duoc mot so chinh phuong
Hoi phai dung tat ca bao nhhieu hinh lap phuong nho canh 1 cm de xep thanh mot khoi hinh hop chu nhat dai 1,6 dm ,rong 1,4 dm ,cao 9cm.Tra loi : so khoi lap phuong nho dung de la .......khoi
cho n la so tu nhien co 2 chu so.Tim n biet n+4 va 2n deu la so chinh phuong
co bao nhieu so co dang \(\overline{ab}\) thoa man \(\overline{ab}+\overline{ba}\) la mot so chinh phuong
1.tim tat ca cac so nguyen duong n sao cho tat ca cac so n+1,n+5,n+7,n+13,n+17,n+25,n+37 deu la cac so nguyen to
TRINH BAY DAY DU GIUP MINH NHA
Tim cac so nguyen n sao cho:
A=\(\dfrac{n-3}{n+1}\)la so nguyen C=\(\dfrac{2n+3}{n-1}\)la so nguyen
B=\(\dfrac{2n-3}{n+2}\)la so nguyen D=\(\dfrac{-n+5}{n+2}\)la so nguyen
cho a la so lon nhat co n chu so b la so nho nhat co n+1 chu so thi
Bai 1: Tim 3 so nguyen to a, b, c khac nhau sao cho abc < ab + bc + ac
Bai 2: Tim 4 so tu nhien sao cho tong nghich dao cac binh phuong cua chung bang 1.
Moi nguoi trinh bay day du giup minh nhe! (Love)
cho A gom 2017 chu so 7 . lay A+a thi chia het cho 35 tim so nguyen a nho nhat